Look up omnium-gatherum in Wiktionary, the free dictionary.
Omnium Gatherum are a Finnish melodic death metal band.
Omnium Gatherum may also refer to:
- Omnium Gatherum (play), by Theresa Rebeck, 2003
- Omnium Gatherum (album), by King Gizzard & the Lizard Wizard, 2022